National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 29.97 in (1014.9 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Last update 7 Dec 12:56 am EST
Extended Forecast for

Uncasville-Oxoboxo Valley CT

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 28. Calm wind.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Wind chill values between 15 and 20. Light west wind becoming northwest 8 to 13 mph in the evening. Winds could gust as high as 23 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between 10 and 20. North wind 9 to 15 mph, with gusts as high as 29 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. North wind around 6 mph becoming calm after midnight.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 39.

    High: 39 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 28. Calm wind.
Sunday
Increasing clouds, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 21. Wind chill values between 15 and 20. Light west wind becoming northwest 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 29. Wind chill values between 10 and 20. North wind 9 to 15 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 11. North wind around 6 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uncasville-Oxoboxo Valley CT
 41.44°N 72.12°W (Elev. 138 ft)
Last Update:
12:50 am EST Dec 7, 2025
Forecast Valid:
1am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation